In a box, 43% of the pens are gold, 13% are green and the rest are black
- What fraction of the pens is black? Give your answer in the simplest form.
- There are 616 black pens in the box. How many pens are there in the box altogether?
(a)
Percentage of pens that are black
= 100% - 43% - 13%
= 44%
Fraction of pens that are black
=
44100 =
1125 (b)
Number of black pens = 11 u
11 u = 616
1 u = 616 ÷ 11 = 56
Total number of pens
= 25 u
= 25 x 56
= 1400
Answer(s): (a)
1125; (b) 1400